package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RequestMapping("/admin/dish")
@RestController
@Slf4j
@Api(tags = "菜品相关接口")
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO) {

        log.info("新增菜品:{}", dishDTO);
        dishService.saveWithFlavor(dishDTO);

        //清理缓存
        String key = "dish_" + dishDTO.getCategoryId();
        cleanCache(key);

        return Result.success();
    }

    @GetMapping("/page")
    @ApiOperation("分页查询菜品")
    public Result<PageResult> page (DishPageQueryDTO dishPageQueryDTO){
        log.info("分页查询菜品:{}", dishPageQueryDTO);
        PageResult pageResult=dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    @DeleteMapping
    @ApiOperation("删除菜品")
    public Result delete(@RequestParam List<Long> ids) {
        log.info("菜品批量删除");
        dishService.deleteBatch(ids);

        //把所有菜品缓存清理掉 所有以dish_开头的key
        cleanCache("dish_*");

        return Result.success();

    }

    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id) {
        log.info("根据id查询菜品:{}",id);
        DishVO dishVO=dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }

    @PutMapping
    @ApiOperation("修改菜品及口味")
    public Result update(@RequestBody DishDTO dishDTO) {
        log.info("修改菜品:{}",dishDTO);
        dishService.update(dishDTO);
        //把所有菜品缓存清理掉 所有以dish_开头的key
        cleanCache("dish_*");

        return Result.success();
    }

    @PostMapping("status/{status}")
    @ApiOperation("起售停售菜品")
    public Result startOrStop(@PathVariable Integer status,Long id) {
        dishService.startOrStop(status,id);
        //把所有菜品缓存清理掉 所有以dish_开头的key
        cleanCache("dish_*");

        return Result.success();
    }

    //清理缓存
    private void cleanCache(String pattrtn){
        Set keys = redisTemplate.keys(pattrtn);
        redisTemplate.delete(keys);
    }
}
